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Finding the Fourth Proportional to 92,772,039.65, 139,158,059.48 and 92,772,039.65

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Solution

The fourth proportional to 92,772,039.65, 139,158,059.48 and 92,772,039.65 is: 139,158,059.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,772,039.65 : 139,158,059.48 = 92,772,039.65 : x
  2. Step 2: Convert to fraction form
    92,772,039.65/139,158,059.48 = 92,772,039.65/x
  3. Step 3: Cross multiply
    92,772,039.65x = 139,158,059.48 × 92,772,039.65
  4. Step 4: Simplify right side
    92,772,039.65x = 12,909,977,011,695,618
  5. Step 5: Solve for x
    x = 12,909,977,011,695,618/92,772,039.65
  6. Step 6: Final answer
    x = 139,158,059.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.